27211240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 70531200

約数和(自身を除く): 43319960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 619, 628, 785, 1099, 1238, 1256, 1570, 2198, 2476, 3095, 3140, 4333, 4396, 4952, 5495, 6190, 6280, 8666, 8792, 10990, 12380, 17332, 21665, 21980, 24760, 34664, 43330, 43960, 86660, 97183, 173320, 194366, 388732, 485915, 680281, 777464, 971830, 1360562, 1943660, 2721124, 3401405, 3887320, 5442248, 6802810, 13605620, 27211240]

約数ペア:

[(1, 27211240), (2, 13605620), (4, 6802810), (5, 5442248), (7, 3887320), (8, 3401405), (10, 2721124), (14, 1943660), (20, 1360562), (28, 971830), (35, 777464), (40, 680281), (56, 485915), (70, 388732), (140, 194366), (157, 173320), (280, 97183), (314, 86660), (619, 43960), (628, 43330), (785, 34664), (1099, 24760), (1238, 21980), (1256, 21665), (1570, 17332), (2198, 12380), (2476, 10990), (3095, 8792), (3140, 8666), (4333, 6280), (4396, 6190), (4952, 5495)]